Enable disabling of libtool on platforms where it does not work (e.g. LLVM).
Build libraries normally then.
Add ARC support

This adds support for the ARC architecture to libffi. DesignWare ARC
is a family of processors from Synopsys, Inc.

This patch has been tested on a little-endian system and passes
the testsuite.

Signed-off-by: Mischa Jonker <mjonker@synopsys.com>
added include for xmmintrin.h
Merge pull request #43 from JensTimmerman/__m128

added include for xmmintrin.h
Merge pull request #44 from foss-for-synopsys-dwc-arc-processors/arc_support

Add ARC support
Merge pull request #36 from abergmeier/emscripten_fix

Fixes for building with Emscripten
Revert "Merge pull request #36 from abergmeier/emscripten_fix"

This reverts commit 6a4d901dde7b3f87984c563505717cde3113d16e, reversing
changes made to b50a13b9c07ec09af4b9697e482acdad571e6961.
Rebuild for ARC additions
Merge branch 'master' of git://github.com/atgreen/libffi